The Valve,butterfly, cataloged under National Stock Number 4820-01-064-5850, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-064-5850 |
| Primary Part Number | P2860-3IN |
| Item Name | Valve,butterfly |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Manufacturer | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| Status | ACTIVE |
| Style Designator | STRAIGHT THRU |
| Mounting Facility | WAFER |
| Media for Which Designed | FUEL/OIL, HYDROCARBON SINGLE RESPONSE |
| Material | ALUMINUM BODY |
| Material | STEEL CORROSION RESISTING STEM |
| Valve Operation Method | MANUAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| P2860-3IN PRIMARY | Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc (USA) |
| 11668091-2 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| 11668091 | D/9 Drawing number reference only U S Army Tank Automotive Command Amsta-Im-Mm |
| P2859 | D/9 Drawing number reference only Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
| P2859SIZE 3IN | 5/9 Secondary reference Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc |
NSN 4820-01-064-5850 is a Valve,butterfly, manufactured by Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc, classified under FSC 4820, Valves, Nonpowered. Status: active.
NSN 4820-01-064-5850 has 2 manufacturer part numbers on file: P2860-3IN (Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc), 11668091-2 (U S Army Tank Automotive Command Amsta-Im-Mm).
2 possible matches (shared part number, not a government interchangeability claim): 4820-01-092-4109, 4310-01-382-6532. Verify interchangeability with system specifications before substitution.
Key specifications for P2860-3IN: Style Designator: STRAIGHT THRU; Mounting Facility: WAFER; Media for Which Designed: FUEL/OIL, HYDROCARBON SINGLE RESPONSE; Material: ALUMINUM BODY. 6 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.